Home > Sun & Moon > Spring Equinox

Spring Equinox – Vernal Equinox

The spring (vernal) equinox in the Northern Hemisphere is the autumnal (fall) equinox in the Southern Hemisphere and vice versa.

Illustration image
Plants sprouting in spring.

When is the equinox in my city?

On the two equinoxes every year the sun shines directly on the equator and the length of day and night is nearly equal – but not quite.

Northern Hemisphere spring equinox

March equinox 2015: March 20, at 22:45 UTC.

(USA, Central America, Canada, Europe, Asia, northern Africa)

Southern Hemisphere spring equinox

September equinox 2015: September 23, at 08:20 UTC.

(Australia, New Zealand, South America, Southern Africa)

First day of spring?

In the USA and some other areas in the northern hemisphere, the vernal equinox marks the first day of spring. However, the official date for the first day of spring varies depending on the country's climate.

Topics: Astronomy, Seasons, March, September, Sun, Earth, Calendar, Leap Year, Southern Hemisphere, Northern Hemisphere


Solstices & equinoxes

  1. Spring / Vernal equinox
  2. Summer solstice
  3. Autumnal / Fall equinox
  4. Winter solstice
  5. Equal day & night?
  6. Seasons: Astronomical vs Meterological

Equinox & Solstice in Culture

Sunrise & Sunset times

You might also like

December Solstice

The December solstice is also known as the summer solstice in the Southern Hemisphere and the winter solstice in the Northern Hemisphere. more